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LTC1277CS датащи(PDF) 3 Page - Linear Technology

номер детали LTC1277CS
подробное описание детали  12-Bit, 10mW, 100ksps ADCs with 1uA Shutdown
PDF  20 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC1277CS датащи(HTML) 3 Page - Linear Technology

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3
LTC1274/LTC1277
(Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (Note 10)
4.75V
≤ VDD ≤ 5.25V (Unipolar)
q
0 to 4.096
V
4.75V
≤ VDD ≤ 5.25V, –5.25V ≤ VSS ≤ –2.45V (Bipolar)
q
±2.048
V
IIN
Analog Input Leakage Current
CS = High
q
±1
µA
CIN
Analog Input Capacitance
Between Conversions (Sample Mode)
45
pF
During Conversions (Hold Mode)
5
pF
PUT
I
A
A
LOG
ACCURACY
IC
DY A
(Notes 5, 9)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
S/(N + D) Signal-to-Noise
50kHz Input Signal
73
dB
Plus Distortion Ratio
100kHz Input Signal
q
70
72.5
dB
THD
Total Harmonic Distortion
50kHz Input Signal
– 84
dB
Up to 5th Harmonic
100kHz Input Signal
q
– 82
– 76
dB
Peak Harmonic or
50kHz Input Signal
– 84
dB
Spurious Noise
100kHz Input Signal
q
– 82
– 76
dB
IMD
Intermodulation Distortion
fa = 96.95kHz, fb = 97.68kHz
2nd Order Terms
– 78
dB
3rd Order Terms
– 81
dB
Full Power Bandwidth
2
MHz
Full Linear Bandwidth
350
kHz
[S/(N + D)
≥ 68dB]
I TER AL REFERE CE CHARACTERISTICS (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
2.400
2.420
2.440
V
VREF Output Tempco
IOUT = 0
q
±10
±45
ppm/
°C
VREF Line Regulation
4.75V
≤ VDD ≤ 5.25V
0.01
LSB/V
– 5.25V
≤ VSS ≤ –4.75V
0.01
LSB/V
VREF Load Regulation
– 5mA
≤ IOUT ≤ 70µA
2
LSB/mA
(Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
q
2.4
V
VIL
Low Level Input Voltage
VDD = 4.75V
q
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
q
±10
µA
CIN
Digital Input Capacitance
5pF
VOH
High Level Output Voltage, All Logic Outputs
VDD = 4.75V
IO = – 10µA
4.70
V
IO = – 200µA
q
4.0
V
VLOGIC = 2.7V (LTC1277)
IO = – 10µA
2.65
V
IO = – 200µA
2.60
V
VOL
Low Level Output Voltage,
VDD = 4.75V
All Logic Outputs
IO = 160µA
0.05
V
IO = 1.6mA
q
0.10
0.4
V
VLOGIC =2.7V (LTC1277)
IO = 160µA
0.05
V
IO = 1.6mA
0.10
V
DIGITAL I PUTS A D DIGITAL OUTPUTS



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